Finding the Fourth Proportional to 643,344,271.02, 964,856,974.19 and 183,286,426.14
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Solution
The fourth proportional to 643,344,271.02, 964,856,974.19 and 183,286,426.14 is: 274,884,217.52
Step by Step Solution
- Step 1: Write the proportion equation
643,344,271.02 : 964,856,974.19 = 183,286,426.14 : x - Step 2: Convert to fraction form
643,344,271.02/964,856,974.19 = 183,286,426.14/x - Step 3: Cross multiply
643,344,271.02x = 964,856,974.19 × 183,286,426.14 - Step 4: Simplify right side
643,344,271.02x = 176,845,186,534,622,880 - Step 5: Solve for x
x = 176,845,186,534,622,880/643,344,271.02 - Step 6: Final answer
x = 274,884,217.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.